Q.Holly Tree
My lovely big holly tree has developed lumps round bottom of trunk. About a year ago we put concrete all round the tree to finish off a paving area. I’m wondering if we were ignorant in doing this and are keeping air from getting to roots. I notice that even the concrete has started to crack. Help!

Downtoearthdigs
Answered on June 30, 2015
Yes, this would most likely kill the tree.
The roots need to be able to absorb water, breath and grow.
You may be faced with the decision of the tree or the concrete patio.
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